Django queryset to match all related objects

Question

Let\'s say I have a ForeignKey from Coconut to Swallow (ie, a swallow has carried many coconuts, but each coconut has been carried by only one swallow). Now let\'s say that

Answer 1

If i understood your altered question correctly you should be able to compare the coconut_carried_set of the swallow with the list of coconuts that have been carried.

see docs

I'm not entirely sure that this is what you want - I guess it depends on if you know which swallow you want to check beforehand or if you want to check it against all swallows - in that case there may be a better solution.